package com.example.jchuah.tiles;

import android.app.Activity;
import android.os.Bundle;
import android.provider.SyncStateContract;
import android.util.Log;
import android.view.DragEvent;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

import java.util.Random;


public class MyActivity extends Activity implements View.OnTouchListener, View.OnDragListener, FlingDetector.FlingListener {

    int numRows = 4;
    int numCols = 4;

    TileGridLayout grid;
    Random randGen = new Random();
    FlingDetector flingDetector = new FlingDetector(this);
    GestureDetector gestureDetector;

    public void checkVictory() {

        int type4count = 0;

        for (int row = 0; row < numRows; row++){
            for (int col = 0; col < numCols; col++) {

                RowColPair p = new RowColPair();
                p.row = row;
                p.col = col;

                View Tile = grid.getTile(p);
                if (Tile.getTag().equals(R.layout.type4)) {
                    type4count++;

                }

            }
        }

        if (type4count == 1) {
            //
        }
    }

    public void onFlingLeft(View view) {
        Log.d("fling event", "left");
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair leftOf = coordinate.getLeft();
        compareLocations(coordinate, leftOf);
        if (grid.isValidRowColPair(leftOf)) {
            View justRemoved = grid.removeTile(leftOf);
            grid.removeTile( coordinate );
            grid.addTile(leftOf, view);
        if (justRemoved.getTag().equals(view.getTag()))
            grid.addTile(coordinate, justRemoved);
        }
    }
    public void onFlingRight(View view) {
        Log.d("fling event", "right");
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair rightOf = coordinate.getRight();
        compareLocations(coordinate, rightOf);
        if (grid.isValidRowColPair(rightOf)) {
            View justRemoved = grid.removeTile(rightOf);
            grid.removeTile( coordinate );
            grid.addTile(rightOf, view);
        if (justRemoved.getTag().equals(view.getTag()))
            grid.addTile(coordinate, justRemoved);
    }
}
    public void onFlingUp(View view) {
        Log.d("fling event", "up");
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair aboveOf = coordinate.getAbove();
        compareLocations(coordinate, aboveOf);
         if (grid.isValidRowColPair(aboveOf)) {
            View justRemoved = grid.removeTile(aboveOf);
            grid.removeTile( coordinate );
            grid.addTile(aboveOf, view);
         if (justRemoved.getTag().equals(view.getTag()))
            grid.addTile(coordinate, justRemoved);
        }
    }
    public void onFlingDown(View view) {
        Log.d("fling event", "down");
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair belowOf = coordinate.getBelow();
        compareLocations(coordinate, belowOf);
        if (grid.isValidRowColPair(belowOf)) {
            View justRemoved = grid.removeTile(belowOf);
            grid.removeTile( coordinate );
            grid.addTile(belowOf, view);
        if (justRemoved.getTag().equals(view.getTag()))
            View blanktile = getLayout.inflater();

            grid.addTile(coordinate, justRemoved);
        }
    }
    public void compareLocations(RowColPair source, RowColPair destination){
    }
    public void generateGrid() {
        for (int row = 0; row < numRows; row++){
            for (int col = 0; col < numCols; col++) {
                int id = 0;
                switch (randGen.nextInt(4)) {
                    case 0 :
                        id = R.layout.tile;
                        break;
                    case 1 :
                        id = R.layout.type_2;
                        break;
                    case 2 :
                        id = R.layout.type3;
                        break;
                    case 3:
                        id = R.layout.type4;
                        break;
                }

                    View tile = getLayoutInflater()
                        .inflate(id, null);
                tile.setTag(id);

                tile.setOnTouchListener(new View.OnTouchListener() {
                    @Override
                    public boolean onTouch(View view, MotionEvent motionEvent) {
                        flingDetector.touched = view;
                        return gestureDetector.onTouchEvent(motionEvent);
                    }
                });
                grid.addTile(row, col, tile);
            }
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my);
        grid = (TileGridLayout)findViewById(R.id.gridView);
        generateGrid();
        gestureDetector = new GestureDetector(this, flingDetector);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.my, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onDrag(View view, DragEvent dragEvent) {
        return false;
    }

    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
        return false;
    }

}

    @Override
    public boolean onTouch(View view, MotionEvent motionEvent){
        Toast.makeText(this, "this game might crash", Toast.LENGTH_LONG);
    }